38678630648208 has 20 divisors (see below), whose sum is σ = 99919795841328. Its totient is φ = 12892876882720.

The previous prime is 38678630648201. The next prime is 38678630648213. The reversal of 38678630648208 is 80284603687683.

It is a super-2 number, since 2×38678630648208² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38678630648201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402902402538 + ... + 402902402633.

Almost surely, 2^{38678630648208} is an apocalyptic number.

It is an amenable number.

38678630648208 is an abundant number, since it is smaller than the sum of its proper divisors (61241165193120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38678630648208 is a wasteful number, since it uses less digits than its factorization.

38678630648208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805804805182 (or 805804805176 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 69.

The spelling of 38678630648208 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty million, six hundred forty-eight thousand, two hundred eight".